Two drivers were clocked in doing over 70KPH and 40KPH over the speed limit this morning.
Gardaí from the Letterkenny Roads Policing Unit were conducting speed checks when a driver was detected travelling at 141KPH in a 100KPH zone and a Fixed Charge Penalty Notice was issued.
A second driver was arrested and charged to appear in court after they were detected travelling at 174KPH in a 100KPH speed zone.
Gardaí are appealing to drivers to always keep within the speed limit and slow down to save lives.